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Jeffrey D. Muntz


Jeffrey D. Muntz
best best emerging lead Elite Lawyer Badge

Jeffrey D. Muntz is an equity partner at Goostree Law Group who aspired to be an attorney since he was a young boy. After disputing the grade he received on a Spanish test, his instructor advised him to become a lawyer due to his argumentative skills. Jeff’s parents also supported this advice because of his debates over bedtime and curfew.

Jeff’s pursuit of a career in law came from his childhood, after witnessing the effects that crime had on his community. Jeff took pre-law classes at Saint Ambrose University, which helped him earn an internship with the State’s Attorney’s Office in Bureau County. Jeff graduated cum laude and went on to attend Valparaiso University School of Law. Jeff also studied abroad at the University of Cambridge in England.

Jeff joined the DuPage County State’s Attorney’s Office in 2004 as a prosecutor, handling complex felony cases, such as sexual assault and first-degree murder. Jeff was honored as an outstanding misdemeanor prosecutor in 2006, due to his tough yet fair reputation.

In 2012, Jeff decided to pursue a career in domestic relations and family law. With the goal of helping others, Jeff concentrates his practice on litigation of complex divorces, spousal maintenance, and disputes regarding the allocation of parental responsibilities. From his experience living in a small town and time spent overseas, Jeff is able to relate to all types of people and scenarios.

As a former prosecutor, Jeff maintains an accomplished criminal defense practice. He has defended numerous types of criminal charges, from traffic citations to felony offenses that have resulted in favorable outcomes for his clients.

Jeff enjoys spending time with his wife and children, as well as watching his beloved sports teams in person or on TV.

Practice Areas:


  • Saint Ambrose University - B.A., Business Management & Organizations, 2000
  • Valparaiso University School of Law - J.D., 2003

Honors and Awards:

  • Elite Lawyer, 2018 - 2020
  • "10 Best" for Client Satisfaction, American Institute of Family Law Attorneys
  • "10 Best" for Client Satisfaction, American Institute of Criminal Law Attorneys
  • Leading Lawyers, Emerging Lawyers, 2016
  • Lead Counsel Rated


  • Illinois State Bar Association
  • DuPage County Bar Association
  • Kane County Bar Association


  • Illinois, 2005
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